| Winterthur to Sestu | 566.82 mi (912.21 km) |
| Winterthur to Settimo Torinese | 169.77 mi (273.21 km) |
| Winterthur to Seveso | 129.66 mi (208.67 km) |
| Winterthur to Sezze | 466.18 mi (750.25 km) |
| Winterthur to Siano | 548.74 mi (883.12 km) |
| Winterthur to Siena | 315.19 mi (507.25 km) |
| Winterthur to Signa | 281.09 mi (452.36 km) |
| Winterthur to Silea | 211.99 mi (341.16 km) |
| Winterthur to Silvi Paese | 431.23 mi (694.00 km) |
| Winterthur to Sinalunga | 329.81 mi (530.79 km) |
| Winterthur to Siniscola | 480.84 mi (773.84 km) |
| Winterthur to Sinnai | 566.81 mi (912.19 km) |
| Winterthur to Siracusa | 794.08 mi (1,277.95 km) |
| Winterthur to Solaro | 131.25 mi (211.23 km) |
| Winterthur to Soliera | 217.80 mi (350.52 km) |
